Income Taxes (Components Of Deferred Tax Assets) (Details) - USD ($) $ in Thousands	Dec. 31, 2016	Dec. 31, 2015
Income Taxes [Abstract]
Technology	$ (1,449)	$ (1,630)
Temporary differences	312	103
Credits	639	198
Net operating loss carryforwards	5,121	1,590
Total deferred tax assets	4,623	261
Valuation allowance	(4,623)	(261)
Net deferred tax assets